Copyright Tes Drying Systems, 2014
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E-TES SD INDICATOR LIGHTS:
During normal operation both Green lights
will be ON when the unit is heating.
AIR FLOW LIGHT & OVERTEMP LIGHT
If either red light is ON, the green HEATING light will turn off, indicating that the
unit is no longer heating.
If Cord #1 has power the POWER light and the green HEATING light can still turn
ON, even if Cord #2 is disconnected. Make sure both cords are connected and DUAL
CIRCUIT INDICATOR light is ON for proper heater operation.
Indicates Light is ON
Indicates Light is OFF
HEATING
OVERTEMP
E-TES SD 120 VOLT INDICATOR LIGHT PANEL CONFIGURATIONS
AIR FLOW
POWER
When both of the green lights are ON and
both red lights are OFF, as shown here, the
heater is operating normally and the
heating elements are receiving power.
Dual Circuit Indicator light must also be
ON for proper heater operation.
POWER LIGHT
When the green POWER light is
ON, the switch is on and power is
being supplied to the unit.
HEATING LIGHT
When the green HEATING light
is ON, the controls are all within
limits and power is being supplied
to the heating elements
